<template>
  <el-dropdown trigger="click"
               @command="handleSetLanguage">
    <i class="icon-zhongyingwen"></i>
    <template #dropdown>
      <el-dropdown-menu>
        <el-dropdown-item :disabled="language==='zh-cn'"
                          command="zh-cn">中文</el-dropdown-item>
        <el-dropdown-item :disabled="language==='en'"
                          command="en">English</el-dropdown-item>
        <el-dropdown-item :disabled="language==='ja'"
                          command="ja">日文</el-dropdown-item>
      </el-dropdown-menu>
    </template>
  </el-dropdown>
</template>

<script>
import { mapGetters } from "vuex";
export default {
  name: "top-lang",
  data () {
    return {};
  },
  created () { },
  mounted () { },
  computed: {
    ...mapGetters(["language", "tag"])
  },
  props: [],
  methods: {
    handleSetLanguage (lang) {
      this.$i18n.locale = lang;
      this.$store.commit("SET_LANGUAGE", lang);
      let tag = this.tag;
      let title = this.$router.$avueRouter.generateTitle(tag);
      //根据当前的标签也获取label的值动态设置浏览器标题
      this.$router.$avueRouter.setTitle(title);
    }
  }
};
</script>

<style lang="scss" scoped>
</style>
